[CentOS] gigE -> 100Mb problems

[John R Pierce]

On 10/13/2016 5:57 PM, Steven Tardy wrote:
>> On Oct 12, 2016, at 12:26 AM, John R Pierce <pierce at hogranch.com> wrote:
>>
>> the switch ports kept going offline on us.
> Not finding anything exactly like this... Closest I could find is CSCuu81949
>
> Open a Cisco TAC case and upload a Nexus 9000 tech support (`tac-pac`) to investigate further.
>
> Is "port security" enabled on these ports?

I don't know, asking LAN operations

> Does this port double as a LOM/IPMI port?

no, boards have dedicated IPMI port, which doesn't go offline

> What driver is being used `ethtool -i eth#`?

e1000m

> Any OS bonding?

no

> Any switch port-channel/vPC?

I don't believe so.

> That NIC chipset is a few years old so it's not like that NIC/OS/switch is a combo that hasn't been tried/tested.

yeah, about as bog stock normal a config as I've seen.

-- 
john r pierce, recycling bits in santa cruz